diff --git a/.github/workflows/alpine.yml b/.github/workflows/alpine.yml
index 85291df..9b24bde 100644
--- a/.github/workflows/alpine.yml
+++ b/.github/workflows/alpine.yml
@@ -18,7 +18,7 @@ jobs:
           - riscv64
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Install latest Alpine Linux for ${{ matrix.arch }}
         uses: jirutka/setup-alpine@v1
diff --git a/.github/workflows/amalgamate-ubuntu20.yml b/.github/workflows/amalgamate-ubuntu20.yml
index af73869..9012e18 100644
--- a/.github/workflows/amalgamate-ubuntu20.yml
+++ b/.github/workflows/amalgamate-ubuntu20.yml
@@ -6,7 +6,7 @@ jobs:
   ubuntu-build:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Compile with amalgamation
         run: |
           mkdir build &&
diff --git a/.github/workflows/lint_and_format_check.yml b/.github/workflows/lint_and_format_check.yml
index b56bc06..ce6a2af 100644
--- a/.github/workflows/lint_and_format_check.yml
+++ b/.github/workflows/lint_and_format_check.yml
@@ -24,7 +24,7 @@ jobs:
   lint-and-format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9a9194f87191a7e9055e3e9b95b8cfb13023bb08 # v4.1.7
+      - uses: actions/checkout@ff7abcd0c3c05ccf6adc123a8cd1fd4fb30fb493 # v4.1.7
 
       - name: Run clang-format
         uses: jidicula/clang-format-action@4726374d1aa3c6aecf132e5197e498979588ebc8 # v4.15.0
diff --git a/.github/workflows/msys2-clang.yml b/.github/workflows/msys2-clang.yml
index fca8ab7..7697bb5 100644
--- a/.github/workflows/msys2-clang.yml
+++ b/.github/workflows/msys2-clang.yml
@@ -23,7 +23,7 @@ jobs:
       CMAKE_GENERATOR: Ninja
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: msys2/setup-msys2@v2
         with:
           update: true
diff --git a/.github/workflows/msys2.yml b/.github/workflows/msys2.yml
index 86be524..4bd814e 100644
--- a/.github/workflows/msys2.yml
+++ b/.github/workflows/msys2.yml
@@ -29,7 +29,7 @@ jobs:
       CMAKE_GENERATOR: Ninja
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: msys2/setup-msys2@v2
         with:
           update: true
diff --git a/.github/workflows/on-release.yml b/.github/workflows/on-release.yml
index 47024dc..26ef5d5 100644
--- a/.github/workflows/on-release.yml
+++ b/.github/workflows/on-release.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       
       - name: Amalgamate fast_float.h
         run: |
diff --git a/.github/workflows/s390x.yml b/.github/workflows/s390x.yml
index 9eaad27..6bdc2be 100644
--- a/.github/workflows/s390x.yml
+++ b/.github/workflows/s390x.yml
@@ -12,7 +12,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: uraimo/run-on-arch-action@v3
         name: Test
         id: runcmd
diff --git a/.github/workflows/ubuntu20-cxx20.yml b/.github/workflows/ubuntu20-cxx20.yml
index ff226c7..953eec9 100644
--- a/.github/workflows/ubuntu20-cxx20.yml
+++ b/.github/workflows/ubuntu20-cxx20.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Use cmake
         run: |
           mkdir build &&
diff --git a/.github/workflows/ubuntu20-fastmath.yml b/.github/workflows/ubuntu20-fastmath.yml
index a2d7b6d..5427f83 100644
--- a/.github/workflows/ubuntu20-fastmath.yml
+++ b/.github/workflows/ubuntu20-fastmath.yml
@@ -6,7 +6,7 @@ jobs:
   ubuntu-build:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Use cmake
         run: |
           mkdir build &&
diff --git a/.github/workflows/ubuntu20.yml b/.github/workflows/ubuntu20.yml
index f0a8b6f..c3627d5 100644
--- a/.github/workflows/ubuntu20.yml
+++ b/.github/workflows/ubuntu20.yml
@@ -6,7 +6,7 @@ jobs:
   ubuntu-build:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Use cmake
         run: |
           mkdir build &&
diff --git a/.github/workflows/ubuntu22-clang.yml b/.github/workflows/ubuntu22-clang.yml
index ad335f1..f8af437 100644
--- a/.github/workflows/ubuntu22-clang.yml
+++ b/.github/workflows/ubuntu22-clang.yml
@@ -6,7 +6,7 @@ jobs:
   ubuntu-build:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Install clang++-14
         run: sudo apt-get install -y clang++-14
       - name: Use cmake
diff --git a/.github/workflows/ubuntu22-gcc12.yml b/.github/workflows/ubuntu22-gcc12.yml
index af7f8b9..91abf7c 100644
--- a/.github/workflows/ubuntu22-gcc12.yml
+++ b/.github/workflows/ubuntu22-gcc12.yml
@@ -6,7 +6,7 @@ jobs:
   ubuntu-build:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Use cmake
         run: |
           mkdir build &&
diff --git a/.github/workflows/ubuntu22-sanitize.yml b/.github/workflows/ubuntu22-sanitize.yml
index 18a4c26..08fe8d7 100644
--- a/.github/workflows/ubuntu22-sanitize.yml
+++ b/.github/workflows/ubuntu22-sanitize.yml
@@ -6,7 +6,7 @@ jobs:
   ubuntu-build:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Use cmake
         run: |
           mkdir build &&
diff --git a/.github/workflows/ubuntu22.yml b/.github/workflows/ubuntu22.yml
index ccf912e..7154395 100644
--- a/.github/workflows/ubuntu22.yml
+++ b/.github/workflows/ubuntu22.yml
@@ -6,7 +6,7 @@ jobs:
   ubuntu-build:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Use cmake
         run: |
           mkdir build &&
diff --git a/.github/workflows/ubuntu24.yml b/.github/workflows/ubuntu24.yml
index 3dad9dd..511c7ce 100644
--- a/.github/workflows/ubuntu24.yml
+++ b/.github/workflows/ubuntu24.yml
@@ -6,7 +6,7 @@ jobs:
   ubuntu-build:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Use cmake
         run: |
           set -xe
diff --git a/.github/workflows/vs17-arm-ci.yml b/.github/workflows/vs17-arm-ci.yml
index 0bdf579..6769a2a 100644
--- a/.github/workflows/vs17-arm-ci.yml
+++ b/.github/workflows/vs17-arm-ci.yml
@@ -14,7 +14,7 @@ jobs:
           - {gen: Visual Studio 17 2022, arch: ARM64, cfg: Debug}
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: configure
         run: |
           cmake -S . -B build -G "${{matrix.gen}}" -A ${{matrix.arch}} -DCMAKE_CROSSCOMPILING=1 -DFASTFLOAT_TEST=ON
diff --git a/.github/workflows/vs17-ci.yml b/.github/workflows/vs17-ci.yml
index 81431ad..9f8546b 100644
--- a/.github/workflows/vs17-ci.yml
+++ b/.github/workflows/vs17-ci.yml
@@ -16,7 +16,7 @@ jobs:
           - {gen: Visual Studio 17 2022, arch: x64, cfg: Debug}
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: configure
         run: |
           cmake -S . -B build -G "${{matrix.gen}}" -A ${{matrix.arch}} -DFASTFLOAT_BENCHMARKS=ON  -DFASTFLOAT_TEST=ON -DCMAKE_INSTALL_PREFIX:PATH=destination
diff --git a/.github/workflows/vs17-clang-ci.yml b/.github/workflows/vs17-clang-ci.yml
index f7e6ba8..56b5161 100644
--- a/.github/workflows/vs17-clang-ci.yml
+++ b/.github/workflows/vs17-clang-ci.yml
@@ -16,7 +16,7 @@ jobs:
           - {gen: Visual Studio 17 2022, arch: x64, cfg: Debug}
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Configure
         run: |
           cmake -S . -B build -G "${{matrix.gen}}" -A ${{matrix.arch}} -DFASTFLOAT_BENCHMARKS=ON -T ClangCL -DFASTFLOAT_TEST=ON
diff --git a/.github/workflows/vs17-cxx20.yml b/.github/workflows/vs17-cxx20.yml
index b35b06a..aecbca8 100644
--- a/.github/workflows/vs17-cxx20.yml
+++ b/.github/workflows/vs17-cxx20.yml
@@ -16,7 +16,7 @@ jobs:
           - {gen: Visual Studio 17 2022, arch: x64, cfg: Debug}
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: configure
         run: >-
           cmake -S . -B build -G "${{matrix.gen}}" -A ${{matrix.arch}}